{"id":1090,"date":"2023-01-14T10:56:23","date_gmt":"2023-01-14T10:56:23","guid":{"rendered":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/aws-certified-developer-associate-dva-c01-question115\/"},"modified":"2023-01-14T10:56:23","modified_gmt":"2023-01-14T10:56:23","slug":"aws-certified-developer-associate-dva-c01-question115","status":"publish","type":"post","link":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/aws-certified-developer-associate-dva-c01-question115\/","title":{"rendered":"AWS Certified Developer Associate DVA-C01 &#8211; Question115"},"content":{"rendered":"<div class=\"question\">A company is building an application for stock trading. The application needs sub-millisecond latency for processing trade requests. The company uses Amazon DynamoDB to store all the trading data that is used to process each trading request.<br \/>\nA development team performs load testing on the application and finds that the data retrieval time is higher than expected. The development team needs a solution that reduces the data retrieval time with the least possible effort.<br \/>\nWhich solution meets these requirements?<br \/><strong><br \/>A.<\/strong> Add local secondary indexes (LSIs) for the trading data.<br \/><strong>B.<\/strong> Store the trading data in Amazon S3, and use S3 Transfer Acceleration.<br \/><strong>C.<\/strong> Add retries with exponential backoff for DynamoDB queries.<br \/><strong>D.<\/strong> Use DynamoDB Accelerator (DAX) to cache the trading data.<\/div>\n<p><\/p>\n<style> .hidden-div{ display:none } <\/style>\n<p>\t\t\t\t\t\t\t<button onclick=\"getElementById('hidden-div').style.display = 'block'\"> Show Answer <\/button> <button onclick=\"getElementById('hidden-div').style.display = 'none'\">Hide Answer<\/button><\/p>\n<div class=\"hidden-div\" id=\"hidden-div\"><span style=\"\"><\/p>\n<div class=\"answer\">Correct Answer: <strong>D<\/strong><\/div>\n<p><\/strong><\/span> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>A company is building an application for stock trading. The application needs sub-millisecond latency for processing trade requests. The company uses Amazon DynamoDB to store all the trading data that is used to process each trading request. A development team performs load testing on the application and finds that the data retrieval time is higher [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[3,118],"class_list":["post-1090","post","type-post","status-publish","format-standard","hentry","category-aws-certified-developer-associate-dva-c01","tag-aws-certified-developer-associate-dva-c01","tag-question-115"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/posts\/1090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/comments?post=1090"}],"version-history":[{"count":0,"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/posts\/1090\/revisions"}],"wp:attachment":[{"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/media?parent=1090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/categories?post=1090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Developer_Associate_DVA-C01\/wp-json\/wp\/v2\/tags?post=1090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}